Key Benefits
- Embedded Computation Engine for utility biling applications
- Low noise Programmable Gain Amplifier (PGA), to reach the best class accuracy with each type of sensors
- Embedded power management for the best resilience to power supply noise
Applications
- Energy Metering
Key Performances
- Exceeds IEC 62053-22 Classes 0.2s
- Active energy accuracy: < 0.05% error over 1/5000 range
- Reactive energy accuracy: < 0.1% error over 1/3000 range
- Supports CT & Shunt resistors
- Chopper stabilized & low noise programmable amplifier
- Low noise and low drift voltage reference: 25 ppm/°C, Chopper stabilized
- 3 independent 24b ∑Δ ADC
- Charge pump to improve linearity for large negative input signals
- Flexible supply voltage: 5V ± 10% with Low noise LDO, 3.3V ± 10% with LDO bypassed
- Offset/gain/phase calibration
- Silicon proven: Measurement report available
- Junction Temperature: -40 to 100°C
- Pin to pin compatibility